Introduction: Debonding pain is an unpleasant sensation that frequently encountered during debonding procedure.
 Aim of the study: To investigate effectiveness cotton roll-biting on caused by Materials and methods: 102 patients (61 females, 41 males) who were at stage in orthodontic treatment included research. The study was planned using a split-mouth design: one side jaw study, other con...

PURPOSE The objective of the present study is to evaluate the effects of Er:YAG laser debonding of ceramic brackets on the bond strength and the amount of adhesive resin remnant. MATERIALS AND METHODS Twenty human mandibular incisors were randomly divided into two groups of 10 and polycrystalline ceramic brackets (Transcend series 6000, 3M Unitek, Monrovia, CA, USA) were bonded on enamel surf...

The debonding of a thin film, glued to a rigid substratum by a soft adhesive, is known to proceed through the development of a regular array of micro-cavities. We propose a simple model of this phenomenon in the framework of the classical linear fracture mechanics. To cite this article: K.C. Le, L. Truskinovsky, C. R. Mecanique 336 (2008). © 2007 Académie des sciences. Published by Elsevier Mas...

This study presents a novel method to describe the microscale phenomenon of cracks initiation based on sensitivity analysis in laminate fiber-reinforced composites. The failure composite laminates often roots fiber/matrix interfacial debonding. micro-cracking and debonding composites are difficult detect both experimentally numerically. paper shows that stress response transverse ply with respe...

In this paper, micromechanical constitutive models are developed to predict the tensile and fatigue behavior of fiber-reinforced ceramic-matrix composites (CMCs) considering matrix fragmentation closure. Damage fragmentation, interface debonding, fiber’s failure considered in analysis response, closure, debonding repeated sliding hysteresis response. Relationships between established. Experimen...

When a particle inclusion is embedded in a polymer matrix, the polymer tends to adsorb on the surface of the in-clusion. The effect of this may result in an interphasial zone between the particle and the polymer often referred toas “bound” rubber. The extent and composition of this zone depends on a number of factors, including the surfacearea and surface treatment of the partic...

Ceramic brackets have gained widespread acceptance in orthodontic treatment due to their superior aesthetic appeal. The immediate popularity of these brackets, after their initial marketing, was tempered by their potential to damage the enamel during debonding. This paper describes the design and development of a ceramic bracket that addresses the failings of most ceramic brackets on the market...

Debonding-on-demand adhesives were designed by fabricating photochemical reversible bonds and using dynamic polymer cleavage flow generation mechanisms.

A study on the bending response of a composite curved panel with pyramidal metallic truss cores suitable for functional applications is presented using a combination of analytical modeling, three-point bending experiments and finite element (FE) based simulations. The aluminum pyramidal cores were constructed using an interlocking method before curing with composite face sheets to fabricate the...